CN220137960U - Fourth generation coaxial cable for nuclear power - Google Patents
Fourth generation coaxial cable for nuclear power Download PDFInfo
- Publication number
- CN220137960U CN220137960U CN202321391310.1U CN202321391310U CN220137960U CN 220137960 U CN220137960 U CN 220137960U CN 202321391310 U CN202321391310 U CN 202321391310U CN 220137960 U CN220137960 U CN 220137960U
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- CN
- China
- Prior art keywords
- layer
- coaxial cable
- nuclear power
- strip
- generation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- -1 polyethylene Polymers 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 72
- 239000000463 material Substances 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 8
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 6
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a fourth-generation coaxial cable for nuclear power, which comprises a conductor, an insulating layer, a shielding layer, a flame retardant layer, a first wrapping layer, an inner protecting layer, a second wrapping layer, a corrosion resistant layer and an outer protecting layer which are sequentially arranged from inside to outside, wherein a metal tube is arranged between the inner protecting layer and the second wrapping layer, a strip-shaped bulge is arranged on the outer surface of the inner protecting layer, strip-shaped gaps corresponding to the strip-shaped bulge are arranged at the metal tube, strip-shaped slots are respectively arranged at two sides of the strip-shaped bulge, silver-plated copper stranded wire conductors are respectively inserted into the two strip-shaped slots on the two sides of the metal tube, the insulating layer is a polyethylene insulating layer, the shielding layer is a copper wire woven shielding layer, and the first wrapping layer and the second wrapping layer are longitudinally wrapped by an aluminum-plastic composite belt. The coaxial cable provided by the utility model is provided with the multi-layer shielding layer, and is provided with the two aluminum-plastic composite tape wrapping layers, the copper wire braided shielding layer and the metal tube, so that the shielding effect is achieved, and the signal transmission effect of the cable is good.
Description
Technical Field
The utility model relates to the field of cables, in particular to a coaxial cable for fourth-generation nuclear power.
Background
With the rapid development of the informatization industry, the cable is widely applied as an important carrier for signal transmission, and with the continuous progress of cable technology, various cables appear on the market, and the coaxial cable is a signal transmission line and can be used for transmitting analog signals and digital signals, thereby providing great convenience for people to transmit and receive information.
The prior authorization publication number CN201392693Y discloses a coaxial cable with a shielding structure, which comprises an inner conductor, an insulating layer, a shielding layer and a sheath, wherein the inner conductor is formed by twisting silver-plated copper, so that the transmission effect is improved, but the shielding performance of the cable is weaker, the cable is difficult to adapt to the use environment of a nuclear power station, the interference of the nuclear power station radiation on signals is large, the cable is difficult to shield the interference of the nuclear power station radiation, normal signal transmission is difficult to ensure, the cable can not meet external force impact in the use process, the mechanical strength of the cable is weaker, and the cable is easy to damage when being impacted by external force, so that the cable is difficult to meet the use requirements of current people.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a fourth-generation coaxial cable for nuclear power.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a coaxial cable, includes by interior conductor, insulating layer, shielding layer, fire-retardant layer, first band layer, interior sheath, second band layer, corrosion-resistant layer and the outer sheath that sets gradually to outside, still be provided with the metal tube between interior sheath and the second band layer, the metal tube cladding interior sheath, the cladding of second band layer the metal tube, the surface of interior sheath is provided with the bar arch, metal tube department have with the bar gap that the bar is protruding, the bellied both sides of bar all have with the bar slot of the side matching of metal tube both sides, the side of metal tube both sides inserts two respectively in the bar slot, the conductor adopts silver-plated copper stranded conductor, the insulating layer is the polyethylene insulating layer, the shielding layer is copper wire braided shield layer, the fire-retardant layer is made by halogen-free flame retardant material, first band layer with the second band layer is that the aluminium plastic composite tape is indulged and is wrapped up, interior sheath is made by halogen-free flame retardant material.
Preferably, the strip-shaped protrusion extends along the length direction of the inner protective layer;
thereby facilitating the arrangement of the metal tube, and the metal tube is firmly spliced with the strip-shaped protrusions.
Preferably, the metal tube is made of copper material or stainless steel material;
thereby playing the role of armoring, forming mechanical protection and playing a certain shielding effect.
Preferably, the corrosion-resistant layer is a polytetrafluoroethylene layer;
so that the cable has better corrosion resistance.
Preferably, the outer sheath is made of a low smoke halogen-free flame retardant polyolefin material;
thus the cable has better flame retardant property and generates less smoke when burning.
Preferably, the section of the strip-shaped slot is arc-shaped;
so that the strength of the strip-shaped bulge is high and the strip-shaped bulge is more attached to the metal tube.
Preferably, the cross section of the cable is of a circular structure;
so that the overall structure of the cable is more compact and stable.
Compared with the prior art, the utility model has the following beneficial effects:
1. the coaxial cable provided by the utility model is provided with the multi-layer shielding layer, and is provided with the two aluminum-plastic composite tape wrapping layers, the copper wire braided shielding layer and the metal tube, so that the shielding effect is achieved, the interference of the radiation of the nuclear power station can be effectively shielded, and the signal transmission effect of the cable is good.
2. The metal tube plays a role in armor, and forms mechanical protection for the cable, so that the mechanical strength of the cable is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of FIG. 2 at B;
FIG. 4 is a cross-sectional view of the structure of the present utility model;
reference numerals illustrate: 1. a conductor; 2. an insulating layer; 3. a shielding layer; 4. a flame retardant layer; 5. a first tape layer; 6. an inner protective layer; 6.1, a metal tube; 6.2, strip-shaped protrusions; 6.2.1, a strip-shaped slot; 7. a second tape layer; 8. a corrosion resistant layer; 9. and an outer protective layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a coaxial cable for fourth-generation nuclear power, which is shown in fig. 1-4, and comprises a conductor 1, an insulating layer 2, a shielding layer 3, a flame retardant layer 4, a first wrapping layer 5, an inner protecting layer 6, a second wrapping layer 7, a corrosion resistant layer 8 and an outer protecting layer 9 which are sequentially arranged from inside to outside, wherein a metal tube 6.1 is further arranged between the inner protecting layer 6 and the second wrapping layer 7, the metal tube 6.1 is wrapped by the metal tube 6.1, the outer surface of the inner protecting layer 6 is provided with a strip-shaped bulge 6.2, strip-shaped gaps corresponding to the strip-shaped bulge 6.2 are formed in the positions of the metal tube 6.1, strip-shaped slots 6.2.1 matched with the side edges of the two sides of the metal tube 6.1 are respectively inserted into the two strip-shaped slots 6.2.1, the conductor 1 adopts a silver-plated copper conductor, the insulating layer 2 is a polyethylene insulating layer 6, the second wrapping layer 7 is wrapped by the copper wire layer 3, and the flame retardant aluminum wrapping layer 6.2 is made of a halogen-free wrapping layer, and the flame retardant aluminum wrapping layer is made of a halogen-free composite material.
The strip-shaped protrusions 6.2 extend along the length direction of the inner protective layer 6; the metal tube 6.1 is made of copper material or stainless steel material; the corrosion-resistant layer 8 is a polytetrafluoroethylene layer; the outer protective layer 9 is made of a low-smoke halogen-free flame retardant polyolefin material; the section of the strip-shaped slot 6.2.1 is arc-shaped; the section of the cable is of a circular structure.
Working principle: the coaxial cable is provided with the multi-layer shielding layer, the multi-layer shielding layer is provided with the two aluminum-plastic composite tape wrapping tape layers, the copper wire braided shielding layer and the metal tube, and the shielding effect is achieved, so that the interference of radiation of a nuclear power station can be effectively shielded, and the signal transmission effect of the cable is good; the metal tube is firmly spliced with the strip-shaped protrusions, the metal tube plays a role in armor, mechanical protection is formed on the cable, so that the mechanical strength of the cable is high, the flame-retardant layer and the inner protective layer of the cable are made of halogen-free flame-retardant materials, and the outer protective layer is made of low-smoke halogen-free flame-retardant polyolefin materials, so that the flame retardant property of the cable is good.
While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the utility model as defined in the following claims.
Claims (7)
1. The utility model provides a fourth generation coaxial cable for nuclear power, its characterized in that includes conductor (1), insulating layer (2), shielding layer (3), fire-retardant layer (4), first band layer (5), interior sheath (6), second band layer (7), corrosion resistant layer (8) and outer sheath (9) that set gradually from inside to outside, still be provided with tubular metal resonator (6.1) between interior sheath (6) and second band layer (7), tubular metal resonator (6.1) cladding interior sheath (6), second band layer (7) cladding tubular metal resonator (6.1), the surface of interior sheath (6) is provided with bar arch (6.2), tubular metal resonator (6.1) department have with bar slot (6.2) corresponding to bar arch (6.2), the both sides of bar arch (6.2) all have with tubular metal resonator (6.1) both sides side matching bar slot (6.2.1), the both sides of tubular metal resonator (6.1) insert respectively two respectively tubular metal resonator (6.1) cladding inner sheath (6.1), the second band layer (6.1) is that the copper wire strand is the insulating layer is the copper wire is woven wire is the insulating layer (4, and the fire-retardant layer is that the insulating layer is the wire is formed by band layer (4, the inner protective layer (6) is made of halogen-free flame retardant material.
2. Coaxial cable for fourth generation nuclear power according to claim 1, characterized in that the strip-shaped protrusion (6.2) extends along the length direction of the inner sheath (6).
3. The fourth generation coaxial cable for nuclear power according to claim 1, wherein the metal tube (6.1) is made of copper material or stainless steel material.
4. The fourth generation coaxial cable for nuclear power according to claim 1, wherein the corrosion resistant layer (8) is a polytetrafluoroethylene layer.
5. Coaxial cable for fourth generation nuclear power according to claim 1, characterized in that said outer sheath (9) is made of a low smoke halogen-free flame retardant polyolefin material.
6. The fourth generation coaxial cable for nuclear power of claim 1 wherein said slot bar (6.2.1) is arcuate in cross-section.
7. The fourth generation coaxial cable for nuclear power of claim 1 wherein the cable has a circular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391310.1U CN220137960U (en) | 2023-06-02 | 2023-06-02 | Fourth generation coaxial cable for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391310.1U CN220137960U (en) | 2023-06-02 | 2023-06-02 | Fourth generation coaxial cable for nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137960U true CN220137960U (en) | 2023-12-05 |
Family
ID=88955612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321391310.1U Active CN220137960U (en) | 2023-06-02 | 2023-06-02 | Fourth generation coaxial cable for nuclear power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137960U (en) |
-
2023
- 2023-06-02 CN CN202321391310.1U patent/CN220137960U/en active Active
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